US Bridges

Cth O over Brown Creek

FairPosted for load

Barron County, Wisconsin · 1.4M N JCT Cth D · Structure no. P03092200000000

Built
1971
54 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
1,300
2021 count
Owner
County
County Highway Agency

About this bridge

Cth O over Brown Creek is a steel stringer/multi-beam or girder carrying Cth O over Brown Creek in Barron County, Wisconsin. It was built in 1971, so it is 54 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 1,300 vehicles a day, projected to reach 1,798 by 2043. The structure is 22 ft (6.8 m) long and 35 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth O
CrossesBrown Creek
Location1.4M N JCT Cth D
RouteCounty Highway 0O
Coordinates45.32864, -91.78755
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span21 ft (6.4 m)
Deck width35 ft (10.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2021)
Projected traffic1,798 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth O over Brown Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Cth O over Brown Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Cth O over Brown Creek carry?

About 1,300 vehicles per day (2021 count).

How long is Cth O over Brown Creek?

The structure is 22 ft (6.8 m) long with a longest span of 21 ft (6.4 m) and a deck 35 ft wide.

Who owns Cth O over Brown Creek?

It is owned by the County Highway Agency.